Learn how to create installation media for installing or reinstalling Windows 7, Windows 8.1, or Windows 10.

Do you need some help installing Quick Assist? For the best experience, download and install the new version of the Quick Assist app from Microsoft Store. If you have problems installing Quick Assist, here are some steps to try to get it installed and working properly.

但是如果是重新安装 Microsoft 365，且已兑换了产品密钥并拥有与 Microsoft 365 相关联的帐户，请转到“ 登录并安装 Office ”的部分。

Troubleshoot problems with Microsoft Authenticator You can resolve problems with Microsoft Authenticator by checking the tips in this article and reviewing some of the known errors.

If you're moving from a Windows 7 or Windows 8.1 PC to a new Windows device, you'll find that the best way to get apps and games is through Microsoft Store. Microsoft Store is familiar on any device—you can search for free and paid apps like Adobe Reader, view their popularity and ratings, and download them to your device.

手机连接 需要满足以下条件：. 运行 Windows 10 (带有 2019 年 5 月更新或更高版本) 或 Windows 11 的电脑。. 运行 Android 8.0 或更高版本的 Android 设备。. 你的手机和电脑都需要连接到同一 Wi-Fi 网络。. 注意: 选择支持的 Samsung 平板电脑，请转到 此处 了解载入步骤 ...

This article applies if you’ve recently made changes to your device hardware and are trying to upgrade to Windows 11. Hardware changes might affect your upgrade eligibility, though you’ll need to take a few steps to see your updated eligibility in Settings.

Learn how to redeem a gift card, code, or Office product key and spend your balance at Microsoft Store online, on Windows, or Xbox.

Learn how to install, reinstall, or activate Microsoft 365 or Office 2019 on a PC or Mac.

Getting started with the new Outlook for Windows The new Outlook for Windows brings the latest features, intelligent assisted capabilities and a new modern and simplified design to your Outlook app. You can tailor it to your style and do more with new Outlook for Windows!